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Kimberly HarringtonAug 15, 2025
How to fix a Dunkirk DKVLT-050 Boiler with a loose or faulty power supply circuit breaker?
- LLaura ThomasAug 15, 2025
If the power supply circuit breaker is loose or faulty, replace the circuit breaker.
To Next PageTo Next PageHow to fix a Dunkirk DKVLT-050 Boiler with a loose or faulty power supply circuit breaker?
If the power supply circuit breaker is loose or faulty, replace the circuit breaker.
What to do if my Dunkirk DKVLT-050's control board has an internal error?
If the Dunkirk Boiler control board shows an internal error, power down the boiler and then power it back up. If the error occurs repeatedly, replace the control module.
What to do if my Dunkirk DKVLT-050 has flame detected after the gas valve is closed?
If flame is detected after the gas valve is closed for more than 10 seconds, replace the gas valve.
What to do if my Dunkirk Boiler has flame detected before the gas valve opens?
If flame is detected before the gas valve opens, replace the gas valve.
What to do if Dunkirk DKVLT-050 control module detects flame after gas valve is closed?
If the control module detects a flame more than 10 seconds after the gas valve is closed, the suggested solution is to replace the gas valve.
What to do if Dunkirk DKVLT-050 Boiler detects flame before gas valve opens?
If flame is detected before the gas valve opens, the suggested solution is to replace the gas valve.
What to do if my Dunkirk DKVLT-050 Boiler has external voltage supplied to DHW T-T or CH T-T terminals?
If there's external voltage supplied to the DHW T-T or CH T-T terminals, eliminate the voltage using a dry contact relay.
What to do if Dunkirk DKVLT-050 control module has internal error?
If the control module has an internal error, the suggested solution is to replace the control module.
Why does my Dunkirk DKVLT-050 Boiler have an open gas valve power circuit?
An open gas valve power circuit may involve the high temperature switch, gas valve, or gas valve relay in the control module.
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